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Finding the Fourth Proportional to 609,398.10, 840,958.97 and 337,460.13

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Solution

The fourth proportional to 609,398.10, 840,958.97 and 337,460.13 is: 465,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,398.10 : 840,958.97 = 337,460.13 : x
  2. Step 2: Convert to fraction form
    609,398.10/840,958.97 = 337,460.13/x
  3. Step 3: Cross multiply
    609,398.10x = 840,958.97 × 337,460.13
  4. Step 4: Simplify right side
    609,398.10x = 283,790,121,653.57
  5. Step 5: Solve for x
    x = 283,790,121,653.57/609,398.10
  6. Step 6: Final answer
    x = 465,689.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.